ZA201009258B - Audio encoder and audio decoder - Google Patents

Audio encoder and audio decoder

Info

Publication number: ZA201009258B
Authority: ZA; South Africa
Prior art keywords: audio; encoder; decoder; audio decoder; audio encoder
Prior art date: 2008-07-11

Application number

ZA2010/09258A

Inventor

Markus Multrus

Bernhard Grill

Guillaume Fuchs

Stefan Geyersberger

Nikolaus Rettelbach

Virgilio Bacigalupo

Original Assignee

Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E V

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

2008-07-11

Filing date

2010-12-23

Publication date

2011-11-30

2010-12-23 Application filed by Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E V filed Critical Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E V

2011-11-30 Publication of ZA201009258B publication Critical patent/ZA201009258B/en

Classifications

- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
- G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
- H03M7/3059—Digital compression and data reduction techniques where the original information is represented by a subset or similar information, e.g. lossy compression
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
- H03M7/40—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
- H03M7/4006—Conversion to or from arithmetic code
- H03M7/4012—Binary arithmetic codes
- H03M7/4018—Context adapative binary arithmetic codes [CABAC]

Landscapes

Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
Audiology, Speech & Language Pathology (AREA)
Computational Linguistics (AREA)
Signal Processing (AREA)
Health & Medical Sciences (AREA)
Human Computer Interaction (AREA)
Acoustics & Sound (AREA)
Multimedia (AREA)
Spectroscopy & Molecular Physics (AREA)
Theoretical Computer Science (AREA)
Compression, Expansion, Code Conversion, And Decoders (AREA)
Stereo-Broadcasting Methods (AREA)
Reduction Or Emphasis Of Bandwidth Of Signals (AREA)

ZA2010/09258A 2008-07-11 2010-12-23 Audio encoder and audio decoder ZA201009258B (en)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
US7984208P	2008-07-11	2008-07-11
US10382008P	2008-10-08	2008-10-08
PCT/EP2009/003521 WO2010003479A1 (en)	2008-07-11	2009-05-18	Audio encoder and audio decoder

Publications (1)

Publication Number	Publication Date
ZA201009258B true ZA201009258B (en)	2011-11-30

Family

ID=40886050

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ZA2010/09258A ZA201009258B (en)	2008-07-11	2010-12-23	Audio encoder and audio decoder

Country Status (22)

Country	Link
US (10)	US8930202B2 (en)
EP (10)	EP2301019B1 (en)
JP (1)	JP5606433B2 (en)
KR (1)	KR101456641B1 (en)
CN (1)	CN102089813B (en)
AR (1)	AR072422A1 (en)
AU (1)	AU2009267543B2 (en)
BR (4)	BRPI0910796B1 (en)
CA (1)	CA2729925C (en)
CO (1)	CO6351831A2 (en)
DK (1)	DK3573056T3 (en)
ES (8)	ES2934052T3 (en)
FI (1)	FI3573056T3 (en)
HK (1)	HK1253032A1 (en)
MX (1)	MX2011000379A (en)
MY (1)	MY160260A (en)
PL (6)	PL4224471T3 (en)
PT (3)	PT3300076T (en)
RU (1)	RU2487427C2 (en)
TW (1)	TWI449033B (en)
WO (1)	WO2010003479A1 (en)
ZA (1)	ZA201009258B (en)

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EP4376305A2 (en)	2024-05-29
CA2729925C (en)	2016-03-29
EP3937167B1 (en)	2023-05-10
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EP4224471B1 (en)	2024-08-07

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PT3937167T (en)	2023-07-05	Audio encoder and audio decoder
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TWI369138B (en)	2012-07-21	Speaker and application thereof
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ZA200802823B (en)	2008-12-31	Audio compression